475243647 has 8 divisors (see below), whose sum is σ = 633916800. Its totient is φ = 316699800.

The previous prime is 475243631. The next prime is 475243667. The reversal of 475243647 is 746342574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 475243647 - 2⁴ = 475243631 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 475243599 and 475243608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475243607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23397 + ... + 38702.

It is an arithmetic number, because the mean of its divisors is an integer number (79239600).

Almost surely, 2^475243647 is an apocalyptic number.

475243647 is a deficient number, since it is larger than the sum of its proper divisors (158673153).

475243647 is a wasteful number, since it uses less digits than its factorization.

475243647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64653.

The product of its digits is 564480, while the sum is 42.

The square root of 475243647 is about 21800.0836466285. The cubic root of 475243647 is about 780.3787591786.

The spelling of 475243647 in words is "four hundred seventy-five million, two hundred forty-three thousand, six hundred forty-seven".